Transaction not yet indexed

i2S2ff1EkdGqjXxDjysoYR7TSrhUN6aYj6jHQueEamNLMbTVtwWtPtvzVTcQn4dR5MjQJ7nE1UvPULnGPmFMjH7

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.